Syntax

Return Value

Arguments

A

Note: If SPRSAX is complex then only the real part is used for the computation.

X

An n-element right hand vector.

Keywords

DOUBLE

Set this keyword to force the computation to be done in double-precision arithmetic.

Version History

4.0

Introduced

Resources and References

SPRSAX is based on the routine sprsax described in section 2.7 of Numerical Recipes in C: The Art of Scientific Computing (Second Edition), published by Cambridge University Press, and is used by permission.